| 摘要 |
This invention is related to the controlling device of automatic sprinkler. This device has a tap(a) of water supply system, a main valve(b), a main horse(c), a pilot tube(d), a sprinkler(e) and a controller(f). A sprinkler and a controller are located on the surface of land which has need of water sprinkling. A water sensor(g) is projected to the lower part of the controller(f), and is contacted with the surface of land.
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